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- Implement BdaInitFilter, BdaCreateTopology

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svn path=/trunk/; revision=42594
This commit is contained in:
Johannes Anderwald 2009-08-10 14:18:51 +00:00
parent b25a3f93ea
commit 0b1191a6d8
1 changed files with 75 additions and 6 deletions
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81
reactos/drivers/multimedia/bdasup/bdasup.c
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@ -339,14 +339,47 @@ BdaInitFilter(
IN PKSFILTER pKSFilter,
IN const BDA_FILTER_TEMPLATE *pBdaFilterTemplate)
{
UNIMPLEMENTED
return STATUS_NOT_IMPLEMENTED;
PBDA_FILTER_INSTANCE_ENTRY InstanceEntry;
PKSFILTERFACTORY FilterFactory;
ULONG Index, PinId;
NTSTATUS Status = STATUS_SUCCESS;
/* check input parameters */
if (!pKSFilter)
return STATUS_INVALID_PARAMETER;
/* get parent filter factory */
FilterFactory = KsFilterGetParentFilterFactory(pKSFilter);
/* sanity check */
ASSERT(FilterFactory);
/* find instance entry */
InstanceEntry = GetFilterInstanceEntry(FilterFactory);
/* sanity check */
ASSERT(InstanceEntry);
ASSERT(InstanceEntry->FilterTemplate == pBdaFilterTemplate);
/* now create the pins */
for(Index = 0; Index < pBdaFilterTemplate->pFilterDescriptor->PinDescriptorsCount; Index++)
{
/* create the pin */
Status = BdaCreatePin(pKSFilter, Index, &PinId);
/* check for success */
if (!NT_SUCCESS(Status))
break;
}
/* done */
return Status;
}
/*
@unimplemented
@implemented
*/
NTSTATUS
NTAPI
@ -355,8 +388,44 @@ BdaCreateTopology(
IN ULONG InputPinId,
IN ULONG OutputPinId)
{
UNIMPLEMENTED
return STATUS_NOT_IMPLEMENTED;
PBDA_FILTER_INSTANCE_ENTRY InstanceEntry;
PKSFILTERFACTORY FilterFactory;
KSTOPOLOGY_CONNECTION Connection;
/* check input parameters */
if (!pKSFilter)
return STATUS_INVALID_PARAMETER;
/* get parent filter factory */
FilterFactory = KsFilterGetParentFilterFactory(pKSFilter);
/* sanity check */
ASSERT(FilterFactory);
/* find instance entry */
InstanceEntry = GetFilterInstanceEntry(FilterFactory);
if (!InstanceEntry)
{
/* the filter was not initialized with BDA */
return STATUS_NOT_FOUND;
}
if (InputPinId >= InstanceEntry->FilterTemplate->pFilterDescriptor->PinDescriptorsCount ||
OutputPinId >= InstanceEntry->FilterTemplate->pFilterDescriptor->PinDescriptorsCount)
{
/* invalid pin id */
return STATUS_INVALID_PARAMETER;
}
/* initialize topology connection */
Connection.FromNode = KSFILTER_NODE;
Connection.ToNode = KSFILTER_NODE;
Connection.FromNodePin = InputPinId;
Connection.ToNodePin = OutputPinId;
/* add the connection */
return KsFilterAddTopologyConnections(pKSFilter, 1, &Connection);
}
/*
@ -650,7 +719,7 @@ BdaUninitFilter(IN PKSFILTER pKSFilter)
}
/*
@unimplemented
@implemented
*/
NTSTATUS
NTAPI